Coin bank



FIG. 1: is a perspective view showing the new design

FIG. 2: is a right side view thereof;

FIG. 3: is a left side view thereof;

FIG. 4: is a front side view thereof;

FIG. 5: is a rear view thereof;

FIG. 6: is a top view thereof; and,

FIG. 7: is a bottom view thereof.

The ornamental design for a coin bank, as shown and described.